[GitHub] [spark] dongjoon-hyun commented on a change in pull request #28377: [SPARK-27340][SS][2.4] Alias on TimeWindow expression may cause watermark metadata lost

dongjoon-hyun commented on a change in pull request #28377: URL: https://github.com/apache/spark/pull/28377#discussion_r416240326 ## File path: sql/core/src/main/scala/org/apache/spark/sql/Column.scala ## @@ -1016,17 +1010,11 @@ class Column(val expr: Expression) extends Loggin

[GitHub] [spark] dongjoon-hyun commented on a change in pull request #28377: [SPARK-27340][SS][2.4] Alias on TimeWindow expression may cause watermark metadata lost

dongjoon-hyun commented on a change in pull request #28377: URL: https://github.com/apache/spark/pull/28377#discussion_r416229855 ## File path: sql/core/src/main/scala/org/apache/spark/sql/Column.scala ## @@ -1016,17 +1010,11 @@ class Column(val expr: Expression) extends Loggin

[GitHub] [spark] dongjoon-hyun commented on a change in pull request #28377: [SPARK-27340][SS][2.4] Alias on TimeWindow expression may cause watermark metadata lost

dongjoon-hyun commented on a change in pull request #28377: URL: https://github.com/apache/spark/pull/28377#discussion_r416229855 ## File path: sql/core/src/main/scala/org/apache/spark/sql/Column.scala ## @@ -1016,17 +1010,11 @@ class Column(val expr: Expression) extends Loggin